Home / 2,753.47-4,131.23-1,110.49

Finding the Fourth Proportional to 2,753.47, 4,131.23 and 1,110.49

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Solution

The fourth proportional to 2,753.47, 4,131.23 and 1,110.49 is: 1,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.47 : 4,131.23 = 1,110.49 : x
  2. Step 2: Convert to fraction form
    2,753.47/4,131.23 = 1,110.49/x
  3. Step 3: Cross multiply
    2,753.47x = 4,131.23 × 1,110.49
  4. Step 4: Simplify right side
    2,753.47x = 4,587,689.60
  5. Step 5: Solve for x
    x = 4,587,689.60/2,753.47
  6. Step 6: Final answer
    x = 1,666.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.